Well I was going to post a reply picture, but honestly I lack the technical skills to post one so... But my point would've been that, yeah her look has changed. She looks different. From your two pics, she has lighter eyebrows, her jawline is different, but that's probably due to the angle of the two pics, half of her face looks washed out a bit do to the lighting used on the second picture, she does have what looks like achne scars on her forhead and some, gasp, pimples. Holy cow, Summer has pimples. My point is that every model out there has less than flattering shots. She's also not wearing as much makeup in the second shot. And one thing that usually makes a difference in shots. In the first shot she was relatively new and probably living at home and more likely than not everything was pretty good. The second shot, 3-4 years later, she's living alone and has to deal with alot more stress. She's having problems with the site and may not be happy with the way it's gone. So yeah it could be drugs, the most common rumor here at one point was meth, but after looking at a few specials and what not, if she'd actually been doing meth especially as long as the rumors suggest, she'd look completely fucked. Like faces of meth fucked, but she doesn't. She looks a bit older, maybe a bit more stressed, but definately still pretty fucking hott.